这个错误在类装入的初始化阶段抛出。
This error is thrown during the initialization phase of class loading.
系统的其余部分在这第二个阶段期间进行初始化。
It is during this second phase that the rest of the system is initialized.
这个属性在建构阶段初始化，且之后无法变更。
This property is initialized during construction and cannot be changed thereafter.
这个属性在建构阶段初始化，且之后无法变更。
This property is initialized during construction and cannot be changed thereafter.
应用推荐